Technical: Cylinder Head

VW Various 4 cyl Engines- Rocker Arm OEM Design Changes: NPB-15

VW OEM Rocker Arm design changes for various 4 cylinder diesel engines

Download NPB-15 VW Rocker Arms.pdf (308.24 KB)

Mazda L Series Engine Timing Chain Fitting Instructions: NPB-06

Critical fitting instructions when fitting Timing Chain Kit, Camshaft and VVT Gears

Download NPB-06 CX-7 Diamond washers.pdf (339.91 KB)

Mazda/Ford EGR Cooler: NPB-01

Mazda/Ford 2.5L & 3.0L common rail diesel EGR cooler failure issues

Download Mazda-Ford EGR Cooler Assembly.pdf (285.69 KB)